Cite

Piatt, W., 2 autograph letters signed to Wheaton

MLA

Wheaton, Joseph, 1755-1828. Piatt, W., 2 autograph letters signed to Wheaton. Box 1, folder 21. 1813 January 7, January 12. https://collections.library.yale.edu/catalog/32528376.

APA, 6th edition

Wheaton, Joseph, 1755-1828. (["Box 1, folder 21"])(1813 January 7, January 12)[Piatt, W., 2 autograph letters signed to Wheaton]. https://collections.library.yale.edu/catalog/32528376.